| | Top level | Event type
Singles, Men – Match #3
| Date | 28 July 2021 | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | Marijana Veljović |  SRB |
| Seed | Competitor | NOC | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|---|
| – | Alexander Zverev |  GER | 2 | 6 | 7 | |
| – | Nikoloz Basilashvili |  GEO | 0 | 4 | 6 |
| Alexander Zverev | Nikoloz Basilashvili | |
|---|---|---|
| Sets Won | 2 | 0 |
| Set 1 | 6 | 4 |
| Set 2 | 7 | 6 |
| Tie-break 2 | 7 | 5 |